Toilet Rocking on its own 'Feet'

[JCOOP49R]

First time posting here, hoping to get some thoughts. We installed some Glacier Bay toilets in our new home when we moved in, Sept 2022. One of them we've had a tough time getting it to remain stable. It's never leaked, but we have replaced the ring 2-3 times (today we went with the Fluidmaster rubber ring), and it always manages to get itself wobbly again.

Today we did a bunch of testing and figured out the floor is very level in all phases, it has a good seal, the flange is stable (we did have to use an Oatey repair ring in the past couple of months when the plastic flange cracked). However, the toilet itself rocks slightly when sitting on any level surface. It really seems like the one or a couple of the 'feet' (I'll call them feet, because for the life of me I can't figure out a more accurate term for them) protrude farther out than the outer base, making the toilet base itself rocky. By 'feet', I mean the four little porcelain studs - two at the back near the outer base and two toward the front.

My questions are around anyone having run into this before, what purpose do these things serve, would this be considered a defect, and how worried do I need to be using the toilet? I'm considering contacting Glacier Bay to see if they will honor this under their 'limited lifetime warranty'.

Thanks in advance to everyone.

 

[Reach4]

It is pretty common for a toilet to rock if you don't use shims. However now that it rocked, you should replace the wax.

Remove the toilet and wax. Set the toilet down without wax, and position shims. Lift the toilet. Drop the new wax. Drop the toilet onto the shims and wax.

Search Results for toilet shims at The Home Depot

Search Results for toilet shims at The Home Depot

www.homedepot.com

 

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[JohnCT]

Today we did a bunch of testing and figured out the floor is very level in all phases, it has a good seal, the flange is stable (we did have to use an Oatey repair ring in the past couple of months when the plastic flange cracked). However, the toilet itself rocks slightly when sitting on any level surface.

You can always remove the other one (sucks I know) to compare it.

I've dropped a lot of bowls in my life, but never had to shim one, so I wonder if the casting on your particular piece is out of spec a bit. I don't know if Glacier Bay will warrant such a thing (I doubt it) or consider it part of the installation (most likely), but Reach4 has the right approach - dry shim first then install the wax. I would try tacking the shims down to the floor with some sticky adhesive before reseating the bowl to keep the shims where they need to be.

John

 

[JCOOP49R]

Those are good ideas. I've never had to use shims, but I did buy some just in case. I'm waiting for a response form Home Depot/Glacier Bay on if they'll replace the bowl.